Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 12, Problem 10RQ
What is true about organisms that are a part of the same clade?
a. They all share the same basic characteristics.
b. They evolved from a shared ancestor.
c. They all are on the same tree.
d. They have identical phylogenies.
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Chapter 12 Solutions
Concepts of Biology
Ch. 12 - Figure 12.3 In what levels are cats and dogs...Ch. 12 - Figure 12.8 Which animals in this figure belong to...Ch. 12 - What is a phylogeny a description of? a. mutations...Ch. 12 - What do scientists in the field of systematics...Ch. 12 - Which statement about the taxonomic classification...Ch. 12 - Which best describes the relationship between...Ch. 12 - Which best describes a branch point in a...Ch. 12 - Which statement about analogies is correct? a....Ch. 12 - What kind of trait is important to cladistics? a....Ch. 12 - What is true about organisms that are a part of...
Ch. 12 - Which assumption of cladistics is stated...Ch. 12 - A monophyletic group is a ______. a. phylogenetic...Ch. 12 - How does a phylogenetic tree indicate major...Ch. 12 - List the different levels of the taxonomic...Ch. 12 - Dolphins and fish have similar body shapes. Is...Ch. 12 - Describe maximum parsimony.Ch. 12 - How does a biologist determine the polarity of a...
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- 1. Which describes the modern classification system?a. based on evolutionary relationshipsb. called Linnean classificationc. based on similar appearancesd. called Darwinian classification2. If two organisms are in the same clade, what can you predict about theirrelationship?a. They are not closely related.b. They share a common ancestor.c. They compete for resources.d. One organism evolved into the other organism. 3.Which best describes traditional classification?a. It is based on shared characteristics.b. It is based on evolutionary relationships.c. It is called phylogenetic classification.d. It is called cladisticsarrow_forwardGround beetles (Carabus solieri) have useless hind wings. In relatedspecies, the hind wings function in flight. What term describes groundbeetles’ hind wings?a. homeotic c. analogousb. vestigial d. convergentarrow_forwardWhich characters are most informative in phylogenetic reconstruction because they indicate monophyletic groups? A. Homoplasies B. Symplesiomorphies C. Recently evolved traits that are found in just one species D. Ancestral traits E. Synapomorphiesarrow_forward
- A paraphyletic group includes a. an ancestor and all of its descendants. b. an ancestor and some of its descendants. c. descendants of more than one common ancestor. d. All of the choices are correct.arrow_forwardWhat is not always true of a valid binomial species name like Homo sapiens? A. It includes the genus name B. It is the first published name applied to the biological species C. It is defined by autapomorphic character states D. Technically, it consists of a noun and an adjective asaparrow_forwardWhat is a phylogeny a description of?a. mutationsb. DNAc. evolutionary historyd. organisms on Eartharrow_forward
- Phylogeny refers to the evolutionary descent of taxa. It refers to the relationship between ancestors and descendants and relationships among descendant taxa. It shows the lineage of taxa which can be summarized in a branching diagram called a phylogenetic tree.a. express some basic evolutionary relationships among groups of microorganisms, plants, and animals; b. illustrate the relationship of organisms with their environment; and c. analyze environmental factors contributing to biodiversity richness and lossarrow_forwardPeople studying fossils have to employ which of the following species concepts? a. The Morphospecies Concept b. The Biological Species Concept c. The Phylogenetic Species Concept d. The Physical Species Conceptarrow_forwardVertebrates Gnathostomes Tetrapods Amniotes Mammals Phylogeny based on morphology Amphioxus Lampreys Sharks Ray-finned fishes Coelacanth Lungfishes Amphibians Monotremes Marsupials Placental mammals Turtles Tuatara Lizards Snakes Turtles Crocodiles Birds Phylogeny based on DNA sequencearrow_forward
- Sieve tubes and sieve elements are a. homoplastic because they have different function. b. homologous because they have similar function. c. homoplastic because their common ancestor was single-celled. d. structures involved in transport within animalsarrow_forwardCircle the letter of each sentence that is true about evolutionary relationship of organisms? * a. DNA evidence shows that the giant pandas are more closely related to raccoons than bears. b. Scientist infer that the species with similar body structure and development patterns inherited many of the same genes from acommon ancestor.a c. Scientist never have to change their hypotheses about species relationships. d. Scientist can compare protein structure to determine how closely two species are related .arrow_forwardWhich of the following are true about outgroups? a. They help identify plesiomorphic traits in the phylogeny b. They are a taxa that is known to not be within the species group in question c. They do not have any autapomorphic traits d. They are less evolved than the species of interestarrow_forward
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